A279861 - cp's OEIS frontend

A279861 Number of transitive finitary sets with n brackets. Number of transitive rooted identity trees with n nodes.

n	a(n)
1	1
2	1
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	2
12	1
13	2
14	2
15	2
16	5
17	4
18	6
19	8
20	10
21	14
22	23
23	26
24	34
25	46
26	64
27	81
28	115
29	158
30	199
31	277
32	376
33	505
34	684
35	934
36	1241
37	1711
38	2300
39	3123
40	4236
41	5763
42	7814
43	10647
44	14456
45	19662

[1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 2, 1, 2, 2, 2, 5, 4, 6, 8, 10, 14, 23, 26, 34, 46, 64, 81, 115, 158, 199, 277, 376, 505, 684, 934, 1241, 1711, 2300, 3123, 4236, 5763, 7814, 10647, 14456, 19662]

cp's OEIS Frontend

A279861 Number of transitive finitary sets with n brackets. Number of transitive rooted identity trees with n nodes.

Table of values

List of values